| The TDS meter is a great tool for home and professional use to determine the ppm (parts per million), ideal for a variety of professional and home uses such as drinking water, hydroponics, aquariums, aquaculture, pool & hot tub, spa, car wash, food & beverage, coffee, kombucha, laboratory & scientific, colloidal silver, ecology testing, laboratory & scientific, and more! What is TDS? TDS stands for Total Dissolved Solids, which are the inorganic salts and organic matter in a liquid. This includes calcium, magnesium, sodium, etc. Features: Simple to use, insert the probe into the measured water, you can know the quality of water, convenient to use at home. Lock function, manually lock measurements … | |